Tell whether each scale reduces, enlarges, or preserves the size of the actual object.

Mathematics

2 answers:

liubo4ka [24]3 years ago

5 0

1m is equal to 100cm, so the scale reduces the size of the actual object

musickatia [10]3 years ago

3 0

Enlarges because 1 meter is 100 cenitmeters

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Help please<br> Find the area of the following colored regions?

Svet_ta [14]

Answer:

Area = 77.1

Step-by-step explanation:

The are of a right triangle is

$\frac{1}{2} \times base \times height$

our base and height are 6 for both triangles, so we shall find the area of one of the triangles...

$\frac{1}{2} \times 6 \times 6 = 18$

multiply this by 2

$2 \times 18 = 36$

Now find the area of the whole circle

$area = \pi {r}^{2}$

our radius is 6, therefore:

$area = \pi {6}^{2} = 113.1$

Finally, subtract the area of the two triangles from the total are of the circle. The difference left over is our answer

$113.1 - 36 = 77.1$

5 0

3 years ago

Read 2 more answers

Find the interval(s) over which the function is increasing

anastassius [24]

The intervals refer to the x values where the function (graph) is increasing which means the y values are getting larger from left to right. Parantheses are used not brackets (parantheses means it doesn't include the value and brackets mean it does) so here the intervals would be
( negative infinity , -3)U( -3, 0 )

3 0

3 years ago

I need help with these!

Harman [31]

Given:

The figures of triangles and their mid segments.

To find:

The values of n.

Solution:

Mid-segment theorem: According to this theorem, mid segment of the triangle is a line segment that bisect the two sides of the triangle and parallel to third side, The measure of mid-segment is half of the parallel side.

It is given that:

Length of mid-segment = 54

Length of parallel side = 3n

By using mid-segment theorem for the given triangle, we get

$54=\dfrac{1}{2}(3n)$